Cowl ventilator



-- sind Der 9, 1924. 1,518,312

UNITED STATES PATENT OFFICE.

WILLIAM N..DAV'IS, 0F DETROIT, IICHIGAN, ASSIGQR TO GENERAL MOTORS COR- PORATION, OF DETROIT, IICBIGAN, A CORPQMTIN 0F DELAWARE.

COWL VtENTILATDR,

Application tiled June l?, 1824. Seri-a1 No. 718,540.

To all/whom z'mag/ concern: I desired by a swinging ventilator 20 having Beit known that I, WILLIAM N. DAVIS', a down-turned flange 22 entering channel a citizen of the United States and a resi- 16, the lower position of the ventilator` be- 50 dent of Detroit, county of Wayne, and ing determined by rubber stops 24cm brack- 5 'State of Michigan, have' invented certain ets 26, carried by the channel 1,6. ,Ven-

new and useful Improvements in Cowl Ventilator 2() issecured by screws 28, or in tilators, ofwhich the following isa full, 4an other desired manner to a stamping 30 clear, concise,l and exact description, such bo ted to a U-shaped operating) member 32 55 as will enable others lskilled in the art to" having arms 34 pivoted on a oli or` bolts which the inventionrelates to malte and use 36. The ventilator is operated by 'an arm the-same, reference being made therein, to 38, vand is heldin any desired position the accompanying drawings, which form `a by a ratchet 40 yieldinglyoperated by n p'art of this specification.4 I spring 42.

This invention relates to cowl ventila- In order to malrelthe ventilator rain-tight tors, and has for an object the provision` when closed, l provide a sealing strip comof n ventilator witl ,a sealing stri which prising'an annular piece 44 of flexible ma can be readily* assembled,` and which' will terial such as felt or rubber, grasped at its 'form `a rain-tight joint for the ventilator lower edge by a metal binder 46, shown 65 proper. 'In one desirable arrangement, the as U-shaped in cross-section. The sealing flexible material of the sealing strip is held strip is arranged with the binder 46 enby a `metal binder grasping its lower edge, circling and frictionally engagin the inner the binderfitting frictionally about the wall of channel 16, and witht c flexible wall of the drainageichannel surrounding material 44 yieldingly engaging the swing- 70 Ithe ventilator openingl, and the iiexible mainfr ventilator 30 when closed.

terial projecting above the wail of the chair4 While one illustrative embodiment of the nel for yielding engagement with the ven invention has been described in detail, it'.

tilator. l is not my intention to limit its scope to The above and other objects and features that particular embodiment, or otherwise 75 of the invention will be apparent from the, than by the terms of the appended claim.

following description of one illustrative ernl claim :v y

bodiment shown in the accompanying draw- A cowl ventilator comprising, in combinavin s, in which: l tion, a cowl having a venti ator opening `igure 1 isa side elevation of an autowith a channel about its edge, a swinging ll0 mobile embodying one of the described cowl ventilator Vfor the opening, and a .sealin ventilators; j, y strip in the channel, the sealing strip inclmy 'Figure 2 is il side View on a larger scale ing an annular piece of flexible material, of part of the'cowl, broken away to showv and' a metal 'binder U-shaped in crossesec' the ventilator in vertical section; and tion grasping the lower edge of the'annular 85 Figure 3 is aytopplan view of the ven piece and ilitting snugly around the inner 4o tilator, partly broken away. wall of said channel, with the flexible ma For'purposes of illustration, the ventilaterial projecting above said wall fory yield; tor is shown inthe cowl 10 of an autoing engagement with the swingingventila'l mobile 12. The cowl is provided withA a- :torL y ventilator opening having Ia down-turned In testimony whereof l ailix my' signaedge 14 supporting a drainage channel 16f ture.4

communicating with a drainage pi e 18. A l The ventilator opening may be close when -l I WILLIAM N. DAVIS., 

